<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt=""/>
      </div>
      <!--表单提交区域-->
      <el-form :rules="loginFormRules" ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm">
        <!--用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item prop="password">
          <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
        </el-form-item>
        <!--按钮区-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login" :loading="loginLoading">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import router from "@/router";

export default {
  data(){
    return {
        // 登录限制，防止重复提交
        loginLoading: false,
        loginForm: {
          // 登录的表单数据的绑定对象
          username: '111111',
          password: '111111'
        },
        loginFormRules: {
          // 验证用户名是否合法
          username: [
            {required: true, message: '请输入登录名称', trigger: 'blur'},
            {min: 2, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur'}
          ],
          // 验证密码是否合法
          password: [
            {required: true, message: '请输入登录密码', trigger: 'blur'},
            {min: 3, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur'}
          ]
        }
    };
  },
  methods: {
    resetLoginForm() {
      // 点击重置按钮,重置登录表单
      // this.$refs[loginFormRef].resetFields()
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.loginLoading = true
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) {
          return (this.loginLoading = false)
        }
        this.$http.post("http://localhost:8888/login/login", this.loginForm).then(result => {
          if (result.data.code !== 200) {
            this.loginLoading = false;
            return this.$message.error("登录失败!");
          }
          /*登录成功，将token令牌保存到客户端*/
          window.localStorage.setItem("token",result.data.data);
          this.$router.push("/index");
          this.$message.success('登录成功!');
          this.loginLoading = false;
        })
      })
    }
  },
}
</script>

<!-- 添加“scoped”属性来限制CSS仅用于此组件 -->
<style scoped>
.login_container {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #5dbe8a;
}

.login_box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
}

.login_box .avatar_box {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 10px;
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  box-shadow: 0 0 10px #ddd;
  background-color: #fff;
}

.login_box .avatar_box img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eeeeee;
}

.login_box .login_form {
  box-sizing: border-box;
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
}

.login_box .login_form .btns {
  display: flex;
  justify-content: flex-end;
}
</style>